Make assembling or adjusting your steering stem spanner nut a breeze! Our Steering Stem Spanner Nut Wrenches are an exact-fit to your bike to provide the best possible performance. Don’t settle for universal spanner wrenches that give you mediocre results, get the best-performing tool you can!  Our Steering Stem Spanner Nut Wrenches features a box-end or open-end on the opposite side to allow you to tighten and loosen the upper steering stem nut all with a single tool. Use the box-end for the most contact area or use the open-end if you’ve got a tight clearance between the steering stem nut and your handlebars.  Features:  - CAD designed and precision laser cut, specifically for your Yamaha motorcycle - 3/8" slots on both sides to allow both the spanner nut and steering stem nut to be torqued to spec - Made from 304 stainless steel for a tough and durable tool that won’t rust or wear out - Laser etched logo Fits: 2006-2024 YZ125 2006-2024 YZ250 2006-2024 YZ250F 2006-2024 YZ450F